Write a MySQL script to create a 3-field table. The table will be populated with three records. Then edit the last entry and delete the entry a two. Finally delete the table.

Q: I need a grok pattern to keep only the info outlined in red no matter what the values change to in…

A: This is very simple.   grok {  match => {"message" =>…

Q: al parity

A: Error-detecting codes are a sequence of numbers produced by unambiguous methods for detecting errors…

Q: Explain how the database operations "Create-Read-Update-Delete" are used in the immigration website?…

A: Crud operation are used in an website to read, write and update of data in database .

Q: What is the CAP theorem and how does it work? What does it have to do with NoSQL databases?

A: Introduction: The CAP theorem, also known as Eric Brewer's theorem, argues that a database can only…

Q: Suppose that Distributed Database System(DDB) has three sites; Sitel:Students table: 1000 rows, 10…

A: site 1 1000 rows   , 10byte row size site 2 2000 rows 50 bytes each row size site 3 100 rows  30…

Q: The majority of database systems use rigorous two-phase locking. Provide three reasons for the…

A: Introduction : Database systems: This information serves as a link between a database management…

Q: The WorkOrders table contains a foreign key, ClientNum, which must match the primary key of the…

A: A foreign key is a key that is used to link two or more tables together. It also helps in…

Q: What is the insert anomaly, update anomaly, and delete anomaly computer?

A: Intro Computer bug: There is no such thing as a flawless operating system or piece of software;…

Q: Consider given database schema and write triggers for each statement. Student ( regNo, sName,…

A: Triggers are special statements/procedures for a table which are executed when an event, occurs in…

Q: 2. Write a MySQL query to fetch records that are present in one table but not in another table.…

A: Q 2. Write a MySQL query to fetch records that are present in one table but not in another table.…

Q: Question 3, continued.  Suppose that we have 2 tables, A and B, specified by the following…

A: According to the given question, there are two tables created A and B. The columns are A table is a1…

Q: What is hashed FIle organIzatIons?

A: Answer: Hashed FIle organIzatIons: In Hashed File Organization, the address of records is determined…

Q: A table in third normal form is one which: A Has only one primary key. B Is linked to another table…

A: A table is in 3NF (third normal form) if the table is in 2NF and there is no transitive dependency…

Q: Vlew can be defined as one of the existing tables in the database O True False

A: FALSE

Q: .Write some MYSQL code to select three different sets of data and display them on the screen. Also,…

A: Definition of MySQL –MySQL is a Relational DataBase Management System (RDBMS) which is open-source…

Q: In a database management system, what is a checkpoint? When does a DBMS checkpoint happen?

A: Introduction: A database management system (DBMS) is essentially a computerised data-keeping system.…

Q: Consider the following PL/SQL script: SET SERVEROUTPUT ON BEGIN     INSERT INTO COURSE…

A: Answer is given below .

Q: Strict two-phase locking is used in most database implementations. Provide three justifications for…

A: I have mentioned 3 reasons below why is Strict two-phase locking.

Q: A MYSQL user account created for pulling records from a database doesn't need admin rights. Which 9-…

A: Dear Student, The thing happening here is that any user, program or process is having only the…

Q: For an index on the SSN field, assume the field size VssN=15 bytes, assume the record

A: Given the file size and record size, we can calculate the number of blocks in the file as follows:…

Q: a) Why we prefer the undo tablespace instead of backup segment. Justify your answer with logical…

A: Actually, database is a used to stores the data.

Q: What exactly is data integrity?

A: Data Integrity: "Data integrity" refers to the quality and consistency of data kept in a database,…

Q: In mysql, the same primary key can be used multiple times on the same table True or false?

A: The answer for this question is false.  In a table , one primary key is available per table, but…

Q: Q. Find out candidate keys, dependencies and normalize the following table upto 3NF. C_ID C_Name…

A: A candidate key is a specific type of field in a relational database that can identify each unique…

Q: IN MYSQL write the command. Using the UML designed create all the necessary tables for your…

A: Necessary tables for given UML.

Q: Create the BusinessdB database using MSSQL with the two given table. Create a stored procedure name…

A: Databases are a collection of objects like tables, views, stored procedures, functions, etc. In MS…

Q: How should the database's security vary from the rest of the system's security? Does it make a…

A: Here we have the difference between the data base security and the other system's security.There is…

Q: Write a PHP script to insert employee data (Id, Name, Department, Salary) into emp_data table.

A: Create and initialize variables for host, username, password and database. Then create connection…

Q: Why is the page table paginated?

A: In certain cases, the page tables may become big enough that paging them simplifies the memory…

Q: Everything from DNS records to authoritative vs. root servers to iterated vs. non-iterated queries…

A: DNS records to authoritative vs. root servers to iterated vs. non-iterated queries is described in…

Q: 15 A homogeneous distributed database is stored at multiple locations, with all locations using the…

A: As per our guidelines, we are supposed to only one question. Kindly repost the remaining questions…

Q: A table in third normal form is one which: A Has only one primary key. B Is linked to another table…

A: A  database is in third normal form if it: is already in second normal form it has no non-key…

Q: Create a Database System Code using MySQL input: Stock, Products, Orders, Order Items, Employees

A: We use MySql for creating the table Create command is used to create the table

Q: To create the update to the Table of orders which breaches referential integrity, a customer table…

A: Information Provided: CustomerNum is a foreign key in the Orders table and a primary key in the…

Q: Q3. Mysql Information: MYSQL RDBMS Address: students.emu.edu. User Name: Q3 Password: shudent…

A: Here we write simple PHP code to get all requirements: ==================================

Q: write PHP script to create a mysql database and create a new table. The Student table consists   of…

A: create_table.php

Q: Define Data integrity?

A: Given: Define Data integrity?

Q: Since with no referential integrity you aren't prevented from putting in any data you want to a…

A: Data loss main reasons are-

Q: two OSNIT sources?

A: These are some open source intelligence(OSINT) sources

Q: Devise a datasheet in access based on a subject table that allows a user to enter information about…

A: Primary key: Sub_no     Alternet key: Subject code Standard fiels: Chapter_name , Teacher, level…

Q: Give an example of how the relationships between ODBC, OLE DB, and ADO are formed.

A: ODBC stands for Open Database Connectivity and it is a open source API for accessing the database.…

Q: What are the different schemes for structuring page tables? Explain hierarchical paging.

A: Given:- What are the different schemes for structuring page tables? Explain hierarchical paging.

Q: 4. In your own words, what is the purpose of notes page view? Explain. Answer in 2-3 sentences.

A: NOTES PAGE VIEW: The notes page is defined as one of the ten views that are present for PowerPoint…

Q: Given the following two relations, if there was a delete request on the student Jones, list and…

A:

Q: those

A: Given Problem:   Which key Link records of one type with those of another type.

Q: The WorkOrders table contains a foreign key, ClientNum, which must match the primary key of the…

A: 1. To determine the update to WorkOrders table that would violate referential integrity. Given…